#include "securevirtualresourcetypes.h"
#include "secureresourcemanager.h"
#include "srmresourcestrings.h"
+#include "ocresourcehandler.h"
-#define TAG "SRM"
-
-#ifdef __WITH_X509__
-#include "crlresource.h"
-#endif // __WITH_X509__
+#if defined( __WITH_TLS__) || defined(__WITH_DTLS__)
+#include "pkix_interface.h"
+#endif //__WITH_TLS__ or __WITH_DTLS__
+#define TAG "OIC_SRM"
//Request Callback handler
static CARequestCallback gRequestHandler = NULL;
PEContext_t g_policyEngineContext;
/**
- * @brief function to register provisoning API's response callback.
+ * Function to register provisoning API's response callback.
* @param respHandler response handler callback.
*/
void SRMRegisterProvisioningResponseHandler(SPResponseCallback respHandler)
gSPResponseHandler = respHandler;
}
+void SetResourceRequestType(PEContext_t *context, const char *resourceUri)
+{
+ context->resourceType = GetSvrTypeFromUri(resourceUri);
+}
static void SRMSendUnAuthorizedAccessresponse(PEContext_t *context)
{
CAResponseInfo_t responseInfo = {.result = CA_EMPTY};
- if(NULL == context ||
+ if (NULL == context ||
NULL == context->amsMgrContext->requestInfo)
{
OIC_LOG_V(ERROR, TAG, "%s : NULL Parameter(s)",__func__);
sizeof(responseInfo.info));
responseInfo.info.payload = NULL;
responseInfo.result = CA_UNAUTHORIZED_REQ;
+ responseInfo.info.dataType = CA_RESPONSE_DATA;
if (CA_STATUS_OK == CASendResponse(context->amsMgrContext->endpoint, &responseInfo))
{
}
}
-
void SRMSendResponse(SRMAccessResponse_t responseVal)
{
OIC_LOG(DEBUG, TAG, "Sending response to remote device");
SetPolicyEngineState(&g_policyEngineContext, AWAITING_REQUEST);
}
-
/**
- * @brief Handle the request from the SRM.
- * @param endPoint [IN] Endpoint object from which the response is received.
- * @param requestInfo [IN] Information for the request.
- * @return NONE
+ * Handle the request from the SRM.
+ *
+ * @param endPoint object from which the response is received.
+ * @param requestInfo contains information for the request.
*/
void SRMRequestHandler(const CAEndpoint_t *endPoint, const CARequestInfo_t *requestInfo)
{
OIC_LOG(DEBUG, TAG, "Received request from remote device");
+ bool isRequestOverSecureChannel = false;
if (!endPoint || !requestInfo)
{
OIC_LOG(ERROR, TAG, "Invalid arguments");
// Copy the subjectID
OicUuid_t subjectId = {.id = {0}};
memcpy(subjectId.id, requestInfo->info.identity.id, sizeof(subjectId.id));
+ if (endPoint->flags & CA_SECURE)
+ {
+ OIC_LOG(INFO, TAG, "request over secure channel");
+ isRequestOverSecureChannel = true;
+ }
//Check the URI has the query and skip it before checking the permission
+ if (NULL == requestInfo->info.resourceUri)
+ {
+ OIC_LOG(ERROR, TAG, "Invalid resourceUri");
+ return;
+ }
+
char *uri = strstr(requestInfo->info.resourceUri, "?");
int position = 0;
if (uri)
char newUri[MAX_URI_LENGTH + 1];
OICStrcpyPartial(newUri, MAX_URI_LENGTH + 1, requestInfo->info.resourceUri, position);
+ SetResourceRequestType(&g_policyEngineContext, newUri);
+
+ // Form a 'Error', 'slow response' or 'access deny' response and send to peer
+ CAResponseInfo_t responseInfo = {.result = CA_EMPTY};
+ memcpy(&responseInfo.info, &(requestInfo->info), sizeof(responseInfo.info));
+ responseInfo.info.payload = NULL;
+ responseInfo.info.dataType = CA_RESPONSE_DATA;
+
+ OCResource *resPtr = FindResourceByUri(newUri);
+ if (NULL != resPtr)
+ {
+ // All vertical secure resources and SVR resources other than DOXM & PSTAT should reject request
+ // over coap.
+ if ((((resPtr->resourceProperties) & OC_SECURE)
+ && (g_policyEngineContext.resourceType == NOT_A_SVR_RESOURCE))
+ || ((g_policyEngineContext.resourceType < OIC_SEC_SVR_TYPE_COUNT)
+ && (g_policyEngineContext.resourceType != OIC_R_DOXM_TYPE)
+ && (g_policyEngineContext.resourceType != OIC_R_PSTAT_TYPE)))
+ {
+ // if resource is secure and request is over insecure channel
+ if (!isRequestOverSecureChannel)
+ {
+ // Reject all the requests over coap for secure resource.
+ responseInfo.result = CA_FORBIDDEN_REQ;
+ if (CA_STATUS_OK != CASendResponse(endPoint, &responseInfo))
+ {
+ OIC_LOG(ERROR, TAG, "Failed in sending response to a unauthorized request!");
+ }
+ return;
+ }
+ }
+ }
+#ifdef _ENABLE_MULTIPLE_OWNER_
+ /*
+ * In case of ACL and CRED, The payload required to verify the payload.
+ * Payload information will be used for subowner's permission verification.
+ */
+ g_policyEngineContext.payload = (uint8_t*)requestInfo->info.payload;
+ g_policyEngineContext.payloadSize = requestInfo->info.payloadSize;
+#endif //_ENABLE_MULTIPLE_OWNER_
+
//New request are only processed if the policy engine state is AWAITING_REQUEST.
- if(AWAITING_REQUEST == g_policyEngineContext.state)
+ if (AWAITING_REQUEST == g_policyEngineContext.state)
{
OIC_LOG_V(DEBUG, TAG, "Processing request with uri, %s for method, %d",
requestInfo->info.resourceUri, requestInfo->method);
if (IsAccessGranted(response) && gRequestHandler)
{
- return (gRequestHandler(endPoint, requestInfo));
+ gRequestHandler(endPoint, requestInfo);
+ return;
}
- // Form a 'Error', 'slow response' or 'access deny' response and send to peer
- CAResponseInfo_t responseInfo = {.result = CA_EMPTY};
- memcpy(&responseInfo.info, &(requestInfo->info), sizeof(responseInfo.info));
- responseInfo.info.payload = NULL;
-
VERIFY_NON_NULL(TAG, gRequestHandler, ERROR);
- if(ACCESS_WAITING_FOR_AMS == response)
+ if (ACCESS_WAITING_FOR_AMS == response)
{
OIC_LOG(INFO, TAG, "Sending slow response");
}
/**
- * @brief Handle the response from the SRM.
- * @param endPoint [IN] The remote endpoint.
- * @param responseInfo [IN] Response information from the endpoint.
- * @return NONE
+ * Handle the response from the SRM.
+ *
+ * @param endPoint points to the remote endpoint.
+ * @param responseInfo contains response information from the endpoint.
*/
void SRMResponseHandler(const CAEndpoint_t *endPoint, const CAResponseInfo_t *responseInfo)
{
}
}
-
/**
- * @brief Handle the error from the SRM.
- * @param endPoint [IN] The remote endpoint.
- * @param errorInfo [IN] Error information from the endpoint.
- * @return NONE
+ * Handle the error from the SRM.
+ *
+ * @param endPoint is the remote endpoint.
+ * @param errorInfo contains error information from the endpoint.
*/
void SRMErrorHandler(const CAEndpoint_t *endPoint, const CAErrorInfo_t *errorInfo)
{
}
}
-
-/**
- * @brief Register request and response callbacks.
- * Requests and responses are delivered in these callbacks.
- * @param reqHandler [IN] Request handler callback ( for GET,PUT ..etc)
- * @param respHandler [IN] Response handler callback.
- * @return
- * OC_STACK_OK - No errors; Success
- * OC_STACK_INVALID_PARAM - invalid parameter
- */
OCStackResult SRMRegisterHandler(CARequestCallback reqHandler,
CAResponseCallback respHandler,
CAErrorCallback errHandler)
gErrorHandler = errHandler;
-#if defined(__WITH_DTLS__)
+#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
CARegisterHandler(SRMRequestHandler, SRMResponseHandler, SRMErrorHandler);
#else
CARegisterHandler(reqHandler, respHandler, errHandler);
return OC_STACK_OK;
}
-/**
- * @brief Register Persistent storage callback.
- * @param persistentStorageHandler [IN] Pointers to open, read, write, close & unlink handlers.
- * @return
- * OC_STACK_OK - No errors; Success
- * OC_STACK_INVALID_PARAM - Invalid parameter
- */
OCStackResult SRMRegisterPersistentStorageHandler(OCPersistentStorage* persistentStorageHandler)
{
OIC_LOG(DEBUG, TAG, "SRMRegisterPersistentStorageHandler !!");
return OC_STACK_OK;
}
-/**
- * @brief Get Persistent storage handler pointer.
- * @return
- * The pointer to Persistent Storage callback handler
- */
-
OCPersistentStorage* SRMGetPersistentStorageHandler()
{
return gPersistentStorageHandler;
}
-
-/**
- * @brief Initialize all secure resources ( /oic/sec/cred, /oic/sec/acl, /oic/sec/pstat etc).
- * @retval OC_STACK_OK for Success, otherwise some error value
- */
OCStackResult SRMInitSecureResources()
{
// TODO: temporarily returning OC_STACK_OK every time until default
// behavior (for when SVR DB is missing) is settled.
InitSecureResources();
-
-#if defined(__WITH_DTLS__)
- CARegisterDTLSCredentialsHandler(GetDtlsPskCredentials);
-#endif // (__WITH_DTLS__)
-#if defined(__WITH_X509__)
- CARegisterDTLSX509CredentialsHandler(GetDtlsX509Credentials);
- CARegisterDTLSCrlHandler(GetDerCrl);
-#endif // (__WITH_X509__)
-
- return OC_STACK_OK;
+ OCStackResult ret = OC_STACK_OK;
+#if defined(__WITH_DTLS__) || defined(__WITH_TLS__)
+ if (CA_STATUS_OK != CAregisterPskCredentialsHandler(GetDtlsPskCredentials))
+ {
+ OIC_LOG(ERROR, TAG, "Failed to revert TLS credential handler.");
+ ret = OC_STACK_ERROR;
+ }
+ CAregisterPkixInfoHandler(GetPkixInfo);
+ CAregisterGetCredentialTypesHandler(InitCipherSuiteList);
+#endif // __WITH_DTLS__ or __WITH_TLS__
+ return ret;
}
-/**
- * @brief Perform cleanup for secure resources ( /oic/sec/cred, /oic/sec/acl, /oic/sec/pstat etc).
- * @retval none
- */
void SRMDeInitSecureResources()
{
DestroySecureResources();
}
-/**
- * @brief Initialize Policy Engine.
- * @return OC_STACK_OK for Success, otherwise some error value.
- */
OCStackResult SRMInitPolicyEngine()
{
return InitPolicyEngine(&g_policyEngineContext);
}
-/**
- * @brief Cleanup Policy Engine.
- * @return none
- */
void SRMDeInitPolicyEngine()
{
- return DeInitPolicyEngine(&g_policyEngineContext);
+ DeInitPolicyEngine(&g_policyEngineContext);
}
-/**
- * @brief Check the security resource URI.
- * @param uri [IN] Pointers to security resource URI.
- * @return true if the URI is one of security resources, otherwise false.
- */
bool SRMIsSecurityResourceURI(const char* uri)
{
if (!uri)
OIC_RSRC_ACL_URI,
OIC_RSRC_DOXM_URI,
OIC_RSRC_PSTAT_URI,
+ OIC_RSRC_PCONF_URI,
+ OIC_RSRC_DPAIRING_URI,
+ OIC_RSRC_VER_URI,
+ OC_RSRVD_PROV_CRL_URL
};
// Remove query from Uri for resource string comparison
return false;
}
+
+/**
+ * Get the Secure Virtual Resource (SVR) type from the URI.
+ * @param uri [IN] Pointer to URI in question.
+ * @return The OicSecSvrType_t of the URI passed (note: if not a Secure Virtual
+ Resource, e.g. /a/light, will return "NOT_A_SVR_TYPE" enum value)
+ */
+static const char URI_QUERY_CHAR = '?';
+OicSecSvrType_t GetSvrTypeFromUri(const char* uri)
+{
+ if (!uri)
+ {
+ return NOT_A_SVR_RESOURCE;
+ }
+
+ // Remove query from Uri for resource string comparison
+ size_t uriLen = strlen(uri);
+ char *query = strchr (uri, URI_QUERY_CHAR);
+ if (query)
+ {
+ uriLen = query - uri;
+ }
+
+ size_t svrLen = 0;
+
+ svrLen = strlen(OIC_RSRC_ACL_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_ACL_URI, svrLen))
+ {
+ return OIC_R_ACL_TYPE;
+ }
+ }
+
+ svrLen = strlen(OIC_RSRC_AMACL_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_AMACL_URI, svrLen))
+ {
+ return OIC_R_AMACL_TYPE;
+ }
+ }
+
+ svrLen = strlen(OIC_RSRC_CRED_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_CRED_URI, svrLen))
+ {
+ return OIC_R_CRED_TYPE;
+ }
+ }
+
+ svrLen = strlen(OIC_RSRC_CRL_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_CRL_URI, svrLen))
+ {
+ return OIC_R_CRL_TYPE;
+ }
+ }
+
+ svrLen = strlen(OIC_RSRC_DOXM_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_DOXM_URI, svrLen))
+ {
+ return OIC_R_DOXM_TYPE;
+ }
+ }
+
+ svrLen = strlen(OIC_RSRC_DPAIRING_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_DPAIRING_URI, svrLen))
+ {
+ return OIC_R_DPAIRING_TYPE;
+ }
+ }
+
+ svrLen = strlen(OIC_RSRC_PCONF_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_PCONF_URI, svrLen))
+ {
+ return OIC_R_PCONF_TYPE;
+ }
+ }
+
+ svrLen = strlen(OIC_RSRC_PSTAT_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_PSTAT_URI, svrLen))
+ {
+ return OIC_R_PSTAT_TYPE;
+ }
+ }
+
+ svrLen = strlen(OIC_RSRC_SVC_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_SVC_URI, svrLen))
+ {
+ return OIC_R_SVC_TYPE;
+ }
+ }
+
+ svrLen = strlen(OIC_RSRC_SACL_URI);
+ if(uriLen == svrLen)
+ {
+ if(0 == strncmp(uri, OIC_RSRC_SACL_URI, svrLen))
+ {
+ return OIC_R_SACL_TYPE;
+ }
+ }
+
+ return NOT_A_SVR_RESOURCE;
+}